由滾輪和螺柱組成的組件,用於與凸輪產生滾動接觸,並將往復運動或振盪運動轉換為線性運動。
labyrinth bearing seal type, cam foller,needle bearing,crowned part name assigned by controlling agency, 0.4330 inches nominal overall length, 1.1250 inches nominal overall outside diameter, 0.5310 inches nominal outer ring width